net: Initialize flow flags in input path

The fib_table_lookup tracepoint found 2 places where the flowi4_flags is
not initialized.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 2 insertions, 0 deletions

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 6fcbd215cdbc..690bcbc59f26 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -340,6 +340,7 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst,
         fl4.flowi4_tos = tos;
         fl4.flowi4_scope = RT_SCOPE_UNIVERSE;
         fl4.flowi4_tun_key.tun_id = 0;
+        fl4.flowi4_flags = 0;
 
         no_addr = idev->ifa_list == NULL;
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index c6ad99ad0ffb..c81deb85acb4 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1737,6 +1737,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
         fl4.flowi4_mark = skb->mark;
         fl4.flowi4_tos = tos;
         fl4.flowi4_scope = RT_SCOPE_UNIVERSE;
+        fl4.flowi4_flags = 0;
         fl4.daddr = daddr;
         fl4.saddr = saddr;
         err = fib_lookup(net, &fl4, &res, 0);